src/modules/m_knock.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 using namespace std;
  18
  19 #include <stdio.h>
  20 #include <string>
  21 #include "users.h"
  22 #include "channels.h"
  23 #include "modules.h"
  24 #include "helperfuncs.h"
  25 #include "configreader.h"
  26 #include "inspircd.h"
  27
  28 /* $ModDesc: Provides support for /KNOCK and mode +K */
  29
  30 extern InspIRCd* ServerInstance;
  31
  32 class cmd_knock : public command_t
  33 {
  34  public:
  35         cmd_knock () : command_t("KNOCK", 0, 2)
  36         {
  37                 this->source = "m_knock.so";
  38                 syntax = "<channel> <reason>";
  39         }
  40
  41         void Handle (const char** parameters, int pcnt, userrec *user)
  42         {
  43                 chanrec* c = ServerInstance->FindChan(parameters[0]);
  44
  45                 if (!c)
  46                 {
  47                         user->WriteServ("401 %s %s :No such channel",user->nick, parameters[0]);
  48                         return;
  49                 }
  50
  51                 std::string line = "";
  52
  53                 if (c->IsModeSet('K'))
  54                 {
  55                         user->WriteServ("480 %s :Can't KNOCK on %s, +K is set.",user->nick, c->name);
  56                         return;
  57                 }
  58
  59                 for (int i = 1; i < pcnt - 1; i++)
  60                 {
  61                         line = line + std::string(parameters[i]) + " ";
  62                 }
  63                 line = line + std::string(parameters[pcnt-1]);
  64
  65                 if (c->modes[CM_INVITEONLY])
  66                 {
  67                         c->WriteChannelWithServ((char*)ServerInstance->Config->ServerName,  "NOTICE %s :User %s is KNOCKing on %s (%s)", c->name, user->nick, c->name, line.c_str());
  68                         user->WriteServ("NOTICE %s :KNOCKing on %s",user->nick,c->name);
  69                         return;
  70                 }
  71                 else
  72                 {
  73                         user->WriteServ("480 %s :Can't KNOCK on %s, channel is not invite only so knocking is pointless!",user->nick, c->name);
  74                         return;
  75                 }
  76         }
  77 };
  78
  79 class Knock : public ModeHandler
  80 {
  81  public:
  82         Knock(InspIRCd* Instance) : ModeHandler(Instance, 'K', 0, 0, false, MODETYPE_CHANNEL, false) { }
  83
  84         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  85         {
  86                 if (adding)
  87                 {
  88                         if (!channel->IsModeSet('K'))
  89                         {
  90                                 channel->SetMode('K',true);
  91                                 return MODEACTION_ALLOW;
  92                         }
  93                 }
  94                 else
  95                 {
  96                         if (channel->IsModeSet('K'))
  97                         {
  98                                 channel->SetMode('K',false);
  99                                 return MODEACTION_ALLOW;
 100                         }
 101                 }
 102
 103                 return MODEACTION_DENY;
 104         }
 105 };
 106
 107 class ModuleKnock : public Module
 108 {
 109         cmd_knock* mycommand;
 110         Knock* kn;
 111  public:
 112         ModuleKnock(InspIRCd* Me) : Module::Module(Me)
 113         {
 114
 115                 kn = new Knock(ServerInstance);
 116                 ServerInstance->AddMode(kn, 'K');
 117                 mycommand = new cmd_knock();
 118                 ServerInstance->AddCommand(mycommand);
 119         }
 120
 121         void Implements(char* List)
 122         {
 123                 List[I_On005Numeric] = 1;
 124         }
 125
 126         virtual void On005Numeric(std::string &output)
 127         {
 128                 ServerInstance->ModeGrok->InsertMode(output,"K",4);
 129         }
 130
 131         virtual ~ModuleKnock()
 132         {
 133                 DELETE(kn);
 134         }
 135
 136         virtual Version GetVersion()
 137         {
 138                 return Version(1,0,0,1,VF_STATIC|VF_VENDOR);
 139         }
 140 };
 141
 142 // stuff down here is the module-factory stuff. For basic modules you can ignore this.
 143
 144 class ModuleKnockFactory : public ModuleFactory
 145 {
 146  public:
 147         ModuleKnockFactory()
 148         {
 149         }
 150
 151         ~ModuleKnockFactory()
 152         {
 153         }
 154
 155         virtual Module * CreateModule(InspIRCd* Me)
 156         {
 157                 return new ModuleKnock(Me);
 158         }
 159
 160 };
 161
 162
 163 extern "C" void * init_module( void )
 164 {
 165         return new ModuleKnockFactory;
 166 }
 167